I mean, your phone needs to be unlocked, call your previous provider if your phone is locked to Bell. But I do believe, that iPhone should be automatically unlocked since 2018 of purchase. I don't know with other phones. And it says on your screen sh...
Hi there, is your phone unlocked? Maybe the reason why you can't used your new public mobile phone, because the phone needs to be unlocked in order for you to use different kinds of carrier or provider.